The 56 activities in this collection give students the opportunity to directly experience, through dynamic visualization and manipulation, the topics covered in precalculus. It finishes with a dynami...More: lessons, discussions, ratings, reviews,...

This mini-lesson explains the ambiguous case: if two sides and an angle opposite to one of them are known, it is called the ambiguous case. In such a case we may determine more than one triangle or pe...More: lessons, discussions, ratings, reviews,...

This eModule presents real-world problems that motivate students to work with triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles and s...More: lessons, discussions, ratings, reviews,...

This eModule presents real-world problems that motivate students to work with triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles and s...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those of the author(s)
and do not necessarily reflect the views of the
National Science Foundation.